ENS 56564
From kanterella
Jump to navigation
Jump to search
ENS Event | |
---|---|
15:07 Apr 12, 2023 | |
Title | Automatic Actuation of "B" Emergency Diesel Generator Emergency Power Sequencer |
Event Description | The following information was provided by the licensee via email:
On April 12, 2023, with Seabrook Station Unit 1 in Mode 6 at zero percent power, a valid actuation of the 'B' emergency diesel generator (EDG) emergency power sequencer occurred due to a loss of power to the 'B' train emergency bus. The 'B' EDG was removed from service for scheduled maintenance during this time. This event is being reported pursuant to 10 CFR 50.72(b)(3)(iv)(A) for a valid actuation of the 'B' EDG emergency power sequencer. The NRC Resident Inspector has been notified. |
Where | |
---|---|
Seabrook ![]() New Hampshire (NRC Region 1) | |
Reporting | |
10 CFR 50.72(b)(3)(iv)(A), System Actuation | |
Time - Person (Reporting Time:+1362.5 h56.771 days <br />8.11 weeks <br />1.866 months <br />) | |
Opened: | Andrew Ferraioli 09:37 Jun 8, 2023 |
NRC Officer: | Kerby Scales |
Last Updated: | Jun 8, 2023 |
56564 - NRC Website
Loading map... {"minzoom":false,"maxzoom":false,"mappingservice":"leaflet","width":"350px","height":"250px","centre":false,"title":"","label":"","icon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"zoom":6,"defzoom":14,"layers":["OpenStreetMap"],"image layers":[],"overlays":[],"resizable":false,"fullscreen":false,"scrollwheelzoom":true,"cluster":false,"clustermaxzoom":20,"clusterzoomonclick":true,"clustermaxradius":80,"clusterspiderfy":true,"geojson":"","clicktarget":"","imageLayers":[],"locations":[{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca class=\"mw-selflink selflink\"\u003EENS 56564\u003C/a\u003E - \u003Ca href=\"/Seabrook\" title=\"Seabrook\"\u003ESeabrook\u003C/a\u003E\n\u003C/p\u003E\u003C/div\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EAutomatic Actuation of \"B\" Emergency Diesel Generator Emergency Power Sequencer\n\u003C/p\u003E\u003C/div\u003E","title":"ENS 56564 - Seabrook\n","link":"","lat":42.89886111111111,"lon":-70.85284722222222,"icon":"/w/images/9/9b/NextEra_Energy_icon.png"}],"imageoverlays":null} | |
WEEKMONTHYEARENS 566452023-07-30T19:26:00030 July 2023 19:26:00
[Table view]10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Manual Reactor Trip Due to LOW Main Turbine ELECTRO-HYDRAULIC Control (EHC) Oil Level ENS 565652023-05-06T19:52:0006 May 2023 19:52:00 10 CFR 50.72(b)(3)(iv)(A), System Actuation Actuations of Reactor Protection System ENS 565642023-04-12T15:07:00012 April 2023 15:07:00 10 CFR 50.72(b)(3)(iv)(A), System Actuation Automatic Actuation of "B" Emergency Diesel Generator Emergency Power Sequencer ENS 527182017-04-29T22:44:00029 April 2017 22:44:00 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Manual Reactor Trip Due to Steam Generator Hi-Hi Level Signal and Feedwater Isolation ENS 517652016-03-02T18:12:0002 March 2016 18:12:00 10 CFR 50.72(b)(3)(iv)(A), System Actuation Valid Actuation of Emergency Feedwater ENS 517622016-03-02T07:53:0002 March 2016 07:53:00 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Turbine Trip Causing a Reactor Trip ENS 473272011-10-06T16:26:0006 October 2011 16:26:00 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Automatic Reactor Trip Due to Low Steam Generator Water Level ENS 454032009-10-02T02:39:0002 October 2009 02:39:00 10 CFR 50.72(b)(3)(iv)(A), System Actuation Unit Experienced a Valid Rps Actuation During Plant Cooldown on Low Steam Generator Levels ENS 439212008-01-20T04:02:00020 January 2008 04:02:00 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Automatic Reactor Trip Following Turbine Trip ENS 416552005-05-01T15:09:0001 May 2005 15:09:00 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Manual Reactor Trip Due to Main Turbine High Vibration ENS 415932005-04-13T08:50:00013 April 2005 08:50:00 10 CFR 50.72(b)(3)(iv)(A), System Actuation During Core Reload Reactor Trip Breakers Opened ENS 414282005-02-22T08:08:00022 February 2005 08:08:00 10 CFR 50.72(b)(3)(iv)(A), System Actuation Emergency Diesel Generator and Emergency Feedwater Auto Start on Vital Bus Failure to Transfer ENS 402862003-11-01T00:48:0001 November 2003 00:48:00 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Reactor Trip on Low Steam Generator Water Level 2023-07-30T19:26:00 | |
Retrieved from "https://kanterella.com/w/index.php?title=ENS_56564&oldid=3568413"